Military time: A method of time keeping through a 24-hour clock, in which the day runs from midnight to midnight and is divided into 24 hours.

Standard time: A method of time keeping through a 12-hour clock, based on the official local time of a region or country.

Species Recognition Vocabulary

Species: A class of individuals having common attributes and designated by a common name

Morphology: The form and structure of an organism or any of its parts

Binomen: The scientific name of a species consisting of two parts. The first part is the genus name and the second part is the specific name, e.g., Canis lupus

Common name: The name for an animal species that is in general use within a community, e.g., wolf

Habitat: The area or environment in which an organism or ecological community normally lives or occurs

Nocturnal: Active at night

Diurnal: Active during the day

Migrate: To pass periodically from one region or climate to another

Hibernate: To spend the winter in close quarters in a dormant condition

Size-Distance Relationship Vocabulary

Vanishing point: In perspective drawing, the point at which receding axes converge

Perspective: Any graphic system used to create the illusion of three-dimensional images or spatial relationships on a two-dimensional surface. There are several types of perspective, such as linear, atmospheric, and projection system.

Horizon line: The line in a perspective drawing where the sky meets the ground. A drawing inside a room has an eye-level line.

Grid system: A series of boxes or circles divided into equal areas

Mapping Vocabulary

Cardinal directions: North, south, east, and west

Latitude line: Horizontal line on the globe that shows the angular distance, in degrees, minutes, and seconds, of a point north or south of the equator. Lines of latitude are often referred to as parallels; they run from east to west.

Longitude line: Vertical line on the globe that shows the angular distance, in degrees, minutes, and seconds, of a point east or west of the prime meridian. Lines of longitude are often referred to as meridians; they run from north to south.

The Global Positioning System (GPS): A system of satellites, computers, and receivers that is able to determine the latitude and longitude of a receiver on earth by calculating the time difference for signals from different satellites to reach the receiver.